@article{semiasynchronoushierarchicalfederated,
  title = {Semi-asynchronous Hierarchical Federated Learning for Cooperative Intelligent Transportation Systems},
  author = {Qimei Chen and Zehua You and Hao Jiang},
  year = {2021},
  eprint = {2110.09073},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.09073v1},
}